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  1. appleman

    NTC thermistor

    I am using a surface mount 100k 0805 NTC thermistor which the data sheet says its max operating current is 0.14 mA . Is this max before the self heating becomes a problem ? This does seem a rather low figure , so some reason I have not come across this before . Regards...
  2. appleman

    American mains voltages

    Thank you one and all , maybe not definative but good enough to make a decision on . Regards Appleman Orchard Electronic Hailsham E.Sussex
  3. appleman

    American mains voltages

    America has 120v mains , but does any one know if this is going to change nationally down to 115v and 230v ? We are about to have some labels printed and don't want to have 10000 printed incorrectly ! Regards Appleman Orchard Electronic Hailsham E.Sussex
  4. appleman

    Colour codes USA 3 phase ?

    Many thanks, I have another question , but that may have been answered by the reply ,some American households have two phases , for 240v across the phases and a neutral. If the normal code is black for phase and white for neutral what colour is used for the other phase ...
  5. appleman

    Colour codes USA 3 phase ?

    I would like to know the colour codes for USA wiring 3 phase ? David Gowland

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